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texts 3,247
COLLECTION
TOPIC
Agriculture 204
- 156
Pennsylvania State Grange 78
Forests and forestry 76
Livestock 75
Poultry 69
Technology United States Periodicals. 66
Dairying 63
Tobacco 62
Fruit-culture 53
Tobacco industry 51
Economic assistance, Domestic United States. 46
Fisheries United States Statistics Periodicals. 46
Tourism United States Periodicals. 44
Cattle 41
Gardening 39
Fish culture 37
Fisheries 37
Forest and forestry 35
Botany 29
Birds 25
Pennsylvania State University 25
Bee culture 24
Milk 23
Clouds Photographs from space Catalogs. 22
Tourism United States Statistics Periodicals. 22
Food adulteration and inspection 21
Food law and legislation 21
Milk trade 21
Oceanography Periodicals. 21
Pennsylvania State College 21
Vegetable gardening 21
Horticulture 20
Holstein-Friesian cattle 19
County officials and employees United States Statistics. 17
New products Periodicals. 17
Stream measurements 17
Pennsylvania Vegetable Growers' Association 16
Agricultural chemistry 15
Horses 15
Exhibitions Calendars. 14
Patents United States. 14
Regional planning United States. 14
Agricultural machinery 13
Agricultural machinery industry 13
Export controls United States Periodicals. 13
Horticultural Societies 13
Investments, Foreign United States Statistics. 13
Parks 13
Pennsylvania Horticultural Society 13
Aeronautics, Commercial United States Passenger traffic Periodicals. 12
Meteorology Research United States Periodicals. 12
Products liability United States. 12
Tourism United States. 12
Farmers 11
Game protection 11
Oceanography Statistics. 11
Potatoes 11
Roses 11
Swordfish fisheries Marketing. 11
Weights and measures United States Periodicals. 11
Country life 10
Farm management 10
Fisheries United States Bibliography Periodicals. 10
Local officials and employees United States Statistics. 10
Tourism United States Statistics. 10
Canned foods 9
Canning and preserving 9
Coopers and cooperage 9
Fire prevention Abstracts Periodicals. 9
Input-output tables United States. 9
Pennsylvania imprints 9
Potato growers 9
Sheep 9
Commercial products Classification Periodicals. 8
Fertilizers 8
Veterinary medicine 8
Environmental policy United States Finance. 7
Investments, Foreign United States States Statistics Periodicals. 7
Investments, Foreign. 7
Nautical charts Bibliography Catalogs. 7
Soils 7
Agricultural education 6
Chestnut blight 6
Coastal zone management United States. 6
Communication and traffic United States Statistics. 6
Economic development Research United States Periodicals. 6
Industrial statistics United States. 6
Industrial tours United States. 6
Marine engineering Standards. 6
Marine resources conservation United States Periodicals. 6
Merino sheep 6
Oceanography Bibliography. 6
Public works United States Periodicals. 6
Public works United States. 6
Agriculture Statistical methods. 5
Atmosphere Periodicals. 5
Auditing Study and teaching United States. 5
Biochemistry 5
Business enterprises United States Information services. 5
Children 5
Climatology Research United States Congresses. 5
Coastal zone management United States Periodicals. 5
Dairy cattle 5
Employee-management relations in government United States States Statistics. 5
Endothia parasitica 5
Fishery resources. 5
Forestry schools and education 5
Industries United States Statistics. 5
Manufacturing processes United States Statistics. 5
Marine pollution Periodicals. 5
Optical oceanography. 5
Patents United States Classification. 5
Radar meteorology. 5
Retail trade United States Statistics Periodicals. 5
Seismology United States. 5
Service industries United States Statistics. 5
Social indicators United States. 5
Tourism. 5
Agricultural chemicals 4
Agricultural exhibitions 4
Agriculture, Cooperative 4
Atomic spectroscopy Bibliography. 4
Census. 4
Harbors United States. 4
Industrial management United States Congresses. 4
Lumber trade 4
Marine biology Northeastern States. 4
Marine mammals United States Periodicals. 4
Marketing Dictionaries. 4
Merchant marine United States. 4
Meteorological satellites. 4
Patent laws and legislation United States. 4
Pennsylvania. State University, Mont Alto 4
Poultry industry 4
Solar activity Forecasting Congresses. 4
Trade associations United States Directories. 4
Trucking United States Statistics. 4
Vocational education 4
Weights and measures History. 4
Agricultural pests 3
Atmosphere Research United States Periodicals. 3
Commercial products Classification. 3
Cooking (Seafood) 3
Cotton gins and ginning United States Statistics. 3
Domestic animals 3
Economic assistance, Domestic United States Bibliography. 3
Electricity in agriculture 3
Electronic data processing Meteorology. 3
Estuarine oceanography Atlantic Ocean. 3
Exports United States Statistics Periodicals. 3
Fishery management United States Periodicals. 3
Fishery management United States. 3
Floods 3
Geophysics Bibliography Catalogs. 3
Industries United States. 3
Input-output analysis United States Handbooks, manuals, etc. 3
Investments, American Statistics. 3
Investments, American. 3
Lumbering 3
Manganese mines and mining, Submarine Environmental aspects. 3
Manures 3
Marine plants Northeastern States. 3
Mathematics 3
Meteorology Abstracts Periodicals. 3
Metric system. 3
Milk yield 3
National income United States Accounting. 3
Oceanographic research ships United States. 3
Oceanography Research United States. 3
Pennsylvania State Agricultural Society 3
Population Statistics. 3
Radiometers. 3
Rural schools 3
Technological innovations United States Periodicals. 3
Tomatoes 3
Travel agents Directories. 3
Trucking United States Statistics Periodicals. 3
Weather forecasting. 3
Aeronautics Study and teaching United States. 2
Aeronautics, Commercial Middle East. 2
Agricultural extension work 2
Agriculture United States Statistics. 2
American Revolution Bicentennial, 1976 Periodicals. 2
Appropriate technology Developing countries Abstracts. 2
Atmosphere. 2
Atmospheric temperature Measurement. 2
Atomic transition probabilities Bibliography. 2
Bees 2
Beneficial insects 2
Bowhead whale hunting Environmental aspects. 2
Capital United States Statistics. 2
Ceramic materials. 2
Chemical industry Pennsylvania. 2
Chestnut 2
City planning Data processing. 2
Cleaning and dyeing industry. 2
Climatology Congresses. 2
Clouds Charts, diagrams, etc. 2
Coasts Study and teaching (Secondary) United States Handbooks, manuals, etc. 2
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